Where does “unterrestrial” come from?

unterrestrial (English) comes from English Terrestrial, from Latin terrestris, from Latin Terra, from Proto-Indo-European ters- — dry.

unterrestrial (English): Not terrestrial

Definitions

  1. Not terrestrial

Ancestry of “unterrestrial”, step by step

unterrestrial traces back through two separate lines of ancestry.

via English Terrestrial

StepLanguageWordMeaning
1EnglishTerrestrialAn inhabitant of the planet Earth
2LatinterrestrisOf or pertaining to the earth or land;...
3LatinTerraTerra goddess of the Earth
4Proto-Indo-Europeanters-dry

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European ters- →Every word from Latin Terra →Every word from Latin terrestris →